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Thread: HP needed for 4-person hot tub

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    HP needed for 4-person hot tub

    I bought a used 4-person tub for $200 off Craigslist, and while the shell and tubing seem fine, the first thing (and hopefully last) thing I see wrong with it is the motor, which looks shot. The tub has one 4-HP motor (with an SE of about 1).

    So, if I have to flat-out replace it, should I stick with a 4 hp, or could I go lower?

    The tub itself has no more than 20-22 jets, and it doesn't have the bubble maker feature.
    10,000 Gallon Inground Fiberglass Pool
    Cartridge Filter
    Zodiac Duo Clear SWG
    3/4 HP Hayward Pump
    Taylor K-2006

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    In the Industry
    Pacifica's Avatar
    Join Date
    Mar 2010
    San Diego, CA

    Re: HP needed for 4-person hot tub

    Having that many jets, it would be a good idea to stick with a 4 HP motor. The amount of piping it takes to push a strong jet of water will take a pretty serious motor to accommodate that demand.

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